PerformSubstitution プロパティの値を照会する方法を次のコード例に示します。この例では、HTML ファイル Help.htm の WebResourceAttribute 属性の PerformSubstitution は true に設定されています。
このコード例は、WebResourceAttribute クラスのトピックで取り上げているコード例の一部分です。
<%@ Page Language="VB" %>
<%@ Register TagPrefix="AspNetSamples" Namespace="Samples.AspNet.VB.Controls" Assembly="Samples.AspNet.VB.Controls" %>
<%@ Import Namespace="System.Reflection" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
' Get the assembly metatdata.
Dim clsType As Type = GetType(MyCustomControl)
Dim a As Assembly = clsType.Assembly
For Each attr As Attribute In Attribute.GetCustomAttributes(a)
'Check for WebResource attributes.
If attr.GetType() Is GetType(WebResourceAttribute) Then
Dim wra As WebResourceAttribute = CType(attr, WebResourceAttribute)
Response.Write("Resource in the assembly: " & wra.WebResource.ToString() & _
" with ContentType = " & wra.ContentType.ToString() & _
" and PerformsSubstitution = " & wra.PerformSubstitution.ToString() & "</br>")
End If
Next attr
End Sub
</script>
<html >
<head runat="server">
<title>WebResourceAttribute Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<AspNetSamples:MyCustomControl id="MyCustomControl1" runat="server">
</AspNetSamples:MyCustomControl>
</div>
</form>
</body>
</html>
<%@ Page Language="C#" %>
<%@ Register TagPrefix="AspNetSamples" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS.Controls" %>
<%@ Import Namespace="System.Reflection" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
// Get the assembly metatdata.
Type clsType = typeof(MyCustomControl);
Assembly a = clsType.Assembly;
// Iterate through the attributes for the assembly.
foreach (Attribute attr in Attribute.GetCustomAttributes(a))
{
//Check for WebResource attributes.
if (attr.GetType() == typeof(WebResourceAttribute))
{
WebResourceAttribute wra = (WebResourceAttribute)attr;
Response.Write("Resource in the assembly: " + wra.WebResource.ToString() +
" with ContentType = " + wra.ContentType.ToString() +
" and PerformsSubstitution = " + wra.PerformSubstitution.ToString() + "</br>");
}
}
}
</script>
<html >
<head runat="server">
<title>WebResourceAttribute Example</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<AspNetSamples:MyCustomControl id="MyCustomControl1" runat="server">
</AspNetSamples:MyCustomControl>
</div>
</form>
</body>
</html>
この例で使用できる HTML Web リソースの例を次に示します。WebResource 構文が使用されていることに注意してください。これは、リソースに対して PerformSubstitution プロパティをtrue に設定した際に使用されます。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html >
<head>
<title>Included Help Page</title>
</head>
<body>
<div>
<img alt="help image" src=<% = WebResource("image1.jpg") %> />
Included help file.
</div>
</body>
</html>